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Finding the Fourth Proportional to 324,713.30, 448,109.43 and 181,482.62

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Solution

The fourth proportional to 324,713.30, 448,109.43 and 181,482.62 is: 250,448.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,713.30 : 448,109.43 = 181,482.62 : x
  2. Step 2: Convert to fraction form
    324,713.30/448,109.43 = 181,482.62/x
  3. Step 3: Cross multiply
    324,713.30x = 448,109.43 × 181,482.62
  4. Step 4: Simplify right side
    324,713.30x = 81,324,073,403.11
  5. Step 5: Solve for x
    x = 81,324,073,403.11/324,713.30
  6. Step 6: Final answer
    x = 250,448.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.